Sensors

Source: Wikipedia. Pages: 114. Chapters: Photoresistor, Thermistor, Thermocouple, Instrumentation, Fluorescent glucose biosensor, Photomultiplier, Level sensor, Resistance thermometer, Gunfire locator, Sensor web, Rotary encoder, Strain gauge, Piezoelectric sensor, Resonant Cavity Enhanced Photo Detector, Heat flux sensor, ISFET, Distributed temperature sensing, AFR sensor, Passive infrared sensor, Pressure sensor, Linear encoder, Gas leak detection, Fiber optic sensor, Capacitive displacement sensor, Hydrogen sensor, Smartdust, Josephson effect, List of sensors, Chiral Photonics, Ultrasonic sensor, Magnetic cartridge, Electro-galvanic fuel cell, The Verifier, Kari-Finn, ISO/IEC 18000-3, PowWow, PEDOT-TMA, Hall effect sensor, Unattended Ground Sensors, Digi International, Resolver, Superconductor-Insulator-Superconductor, Semantic Sensor Web, Leaf sensor, Rotary variable differential transformer, Sensor fusion, Position sensitive device, Automated Quality control of meteorological observations, Load cell, PCB Piezotronics, Sun SPOT, Shack-Hartmann, I-CubeX, Photoelectric sensor, Photodetector, Kistler Group, Rain sensor, Phase Jitter Modulation, Electronic Photoreceptor, Soft sensor, Sherborne Sensors, Torque sensor, Linear variable differential transformer, Carbon dioxide sensor, Proximity sensor, Principles of Motion Sensing, Cyborg bacteria, Voltage detector, Optode, Float switch, Integrated circuit piezoelectric sensor, Holographic sensor, Array processing, Potentiometric sensor, Cameleon, Microwave chemistry sensor, ShapeAccelArray, Bodybugg, Hydrogen sulfide sensor, Inductive sensor, Wasp Hound, Laser accelerometer, Phototube, MicroVacuum, Intelligent sensor, Sensistor, Magnotech, Current sensor, Hydrogen darkening, Position sensor, Chemical field-effect transistor, Free-fall sensor, SmartSensor by Amigo, Wavefront curvature sensor, Dead band, Electrolyte-insulator-semiconductor sensor, Light-addressable potentiometric sensor, EOSFET, Electro-optical sensor, Biochemical sensor, MHD sensor, Sensor array, Dayem bridge. Excerpt: Fluorescent glucose biosensors are devices that measure the concentration of glucose in diabetic patients by means of sensitive protein that relays the concentration by means of fluorescence, an alternative to amperometric sension of glucose. No device has yet entered the medical market, but, due to the prevalence of diabetes, it is the prime drive in the construction of fluorescent biosensors. Keeping glucose levels in check is crucial to minimize the onset of the damage caused by diabetes. As a consequence, in conjunction with insulin administrations, the prime requirement for diabetic patients is to regularly monitor their blood glucose levels. The monitoring systems currently in general use have the drawback of below optimal number of readings, due to their reliance on a drop of fresh blood. Some continuous glucose monitors are commercially available, but suffer from the severe drawback of a short working life of the probe. The majority of these work amperomentrically. As a result, there is an effort to create a sensor that relies on a different mechanism, such as via external infrared spectroscopy or via fluorescent biosensors . Various strategies exist to detect glucose levels using fluorescence, the first and most common being a competition assay between glucose and a labelled glucose polymer for the binding site of Concanavalin A. Over the years, using a combination of rational design and screening ap...